Fonzon ARRMA 6S Front Rear Differential Pinion Set 43T 10T FZCS64310T

The Fonzon FZCS64310T ARRMA 6S Front Rear Differential and Pinion Set is a fully assembled 43T/10T stock-ratio drivetrain upgrade designed for compatible ARRMA 6S vehicles needing stronger gears, smoother power transfer, and improved durability.

Features

• Fully Assembled Differential Set: Supplied factory assembled and ready to install as a front or rear differential and pinion upgrade
• 43T/10T Stock Ratio: Uses a 43 tooth ring gear and 10 tooth pinion for a 4.30 ratio commonly used across ARRMA 6S factory-style setups
• 7075-T6 Aluminium Case: Lightweight aluminium differential case provides a strong housing with an excellent strength-to-weight ratio
• CNC Steel Gears: Nickel-chromium alloy steel gears support high strength and reliable drivetrain performance
• Powder Metallurgy Gear Components: Drive bevel, planetary, and ring gear components are designed for long service life under load
• Pre-Filled Diff Oil: Supplied filled with 100K cSt silicone differential oil for controlled and consistent power delivery
• Extended Drive Cups: +1.5mm nickel-chromium alloy steel drive cups help reduce drivetrain misalignment under load
• Sealed Adapter Cup Bearings: High-quality sealed bearings help support smooth and efficient rotation
• Grade 12.9 Screws: Titanium-coated screws provide strong and corrosion-resistant assembly hardware
• ARRMA 6S Upgrade Part: Designed for high-torque bashing, racing, and demanding off-road drivetrain use

Specifications

• Brand: Fonzon
• Part Number: FZCS64310T
• Product Type: Front or rear differential and pinion set
• Application: ARRMA 6S front or rear drivetrain upgrade
• Gear Ratio: 43T ring gear / 10T pinion, 4.30 stock ratio
• Diff Oil: 100K cSt silicone oil
• Case Material: 7075-T6 aluminium
• Gear Material: Nickel-chromium alloy steel and powder metallurgy components
• Drive Cups: +1.5mm extended nickel-chromium alloy steel
• Bearings: Sealed adapter cup bearings
• Hardware: Grade 12.9 titanium-coated screws
• Assembly: Fully assembled and ready to install

Compatibility

• ARRMA Kraton 6S BLX
• ARRMA Typhon 6S BLX
• ARRMA Outcast 6S
• ARRMA Notorious 6S
• ARRMA Talion 6S
• ARRMA Mojave 6S
• ARRMA Infraction 6S
• ARRMA Felony 6S
• ARRMA Fireteam 6S

Includes

• 1 x Fonzon ARRMA 6S 7075-T6 aluminium assembled front or rear differential and pinion set with steel gears

FAQ

Is the Fonzon FZCS64310T differential already assembled? Yes. The Fonzon FZCS64310T differential and pinion set is supplied fully factory assembled and ready to install.

Can the Fonzon FZCS64310T be used in the front or rear? Yes. The Fonzon FZCS64310T is designed as a front or rear differential and pinion set for compatible ARRMA 6S vehicles.

What gear ratio does this differential use? The Fonzon FZCS64310T uses a 43T ring gear and 10T pinion, giving a 4.30 stock-ratio setup.

What diff oil is included? The Fonzon FZCS64310T differential is pre-filled with 100K cSt silicone differential oil.

Is this a genuine ARRMA part? No. The Fonzon FZCS64310T is an aftermarket drivetrain upgrade made by Fonzon for compatible ARRMA 6S vehicles.

Important Notes

• This is an aftermarket Fonzon upgrade part, not a genuine ARRMA factory spare part.
• Check your ARRMA vehicle manual, exploded diagram, and drivetrain ratio before fitting to confirm front or rear differential compatibility.
• This listing is for one assembled differential and pinion set only. Vehicle, tools, oils, diff housing hardware outside the supplied assembly, and other drivetrain components are not included.
• After installation, check gear mesh, drivetrain movement, screw tension, and diff operation before running the vehicle.